In the context of unofficial software, "pre-activated" means the security checks have been bypassed so you can use the software for free. However, these versions often come from untrusted sources like third-party torrent sites and are not supported by Risks of Using Pre-Activated Software Malware & Viruses
: A free, web-based tool for basic photo editing and design. Photoshop Elements Adobe Photoshop 2020 v21.0.1.47 -Pre-Activated-...
typically the title of a pirated software torrent or a "cracked" installer found on file-sharing sites In the context of unofficial software, "pre-activated" means
: Introduced customizable grid sizes (such as 3x3, 4x4, or custom layouts) and independent control points to distort and wrap textures or images around complex surfaces. In the context of unofficial software
The v21.0.1.47 update focused on accelerating repetitive design workflows and improving selection accuracy through machine learning.